0272.050V Board mount fuse, 50mA, 125VAC/VDC, very fast-acting, radial leads.
Mfr Part #:

0272.050V

Available from 1 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Board mount fuse, 50mA, 125VAC/VDC, very fast-acting, radial leads.
Total Stock: 3 pcs

0272.050V Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
3 pcs
3 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

0272.050V Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Approval Agency
Breaking Capacity
Breaking Capacity @ Rated Voltage
Current Rating (Amps)
Fuse Type
Lead Spacing
Lead Style
Melting I²t
Military Grade
Mounting Type
Operating Temperature
Operating Temperature Range
Package / Case
Response Time
Size
Size / Dimension
Tape & Reel
Termination Style
Voltage Rating
Voltage Rating (AC/DC)

0272.050V Description

Short technical summary and product information.

The Littelfuse 0272.050V is a MICRO™ series very fast-acting fuse designed for overcurrent protection. It is rated at 50 mA with a maximum voltage of 125 VAC and VDC. The fuse offers a high breaking capacity of 10 kA at rated voltage, ensuring reliable fault interruption. Its nominal cold resistance is 3.52 Ohms and the melting I²t is 6.66E-05 A²s. The operating temperature range spans -55°C to 125°C. This through-hole device comes in a radial, can, vertical package with radial leads. Approvals include CSA, QPL, and UL. The fuse is suitable for applications requiring fast response to overcurrent conditions in compact board designs.

0272.050V Quick Information

Product Type: Fuse
Series: 272/273/274/278/279 Series
Canonical Name: Littelfuse 0272.050V MICRO™ Very Fast-Acting Fuse, 50mA, 125VAC/VDC, Radial Lead
Subcategory: Very Fast-Acting

0272.050V Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

0272.050V Features

  • Rated for 50 mA at 125 VAC/VDC.
  • Very fast-acting response time.
  • 10 kA interrupting rating at 125V.
  • Operating temperature -55°C to 125°C.
  • Radial lead through-hole package.

0272.050V Applications

  • Overcurrent protection for sensitive circuits.
  • Used in power supply input protection.
  • Ideal for board-level space-constrained designs.
  • Applications requiring fast fuse response.

0272.050V FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 0272.050V fuse?

The current rating is 50 mA (0.05 A).

What is the voltage rating?

The voltage rating is 125 VAC and 125 VDC.

What is the breaking capacity?

The breaking capacity is 10 kA at 125 VAC/VDC.

What is the response time of this fuse?

It is a very fast-acting (fast blow) fuse.

What package style does the 0272.050V come in?

It comes in a radial, can, vertical through-hole package with radial leads.

What is the operating temperature range?

The operating temperature range is -55°C to 125°C.

What is the melting I²t value?

The melting I²t is 6.66E-05 A²s.

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